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Related Concept Videos

Archival Research01:40

Archival Research

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Some researchers gain access to large amounts of data without interacting with a single research participant. Instead, they use existing records to answer various research questions. This type of research approach is known as archival research. Archival research relies on looking at past records or data sets to look for interesting patterns or relationships. For example, a researcher might access the academic records of all individuals who enrolled in college within the past ten years and...
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The famous and controversial Stanford Prison Experiment, conducted by social psychologist Philip Zimbardo and his colleagues at Stanford University, demonstrated the power of social roles, social norms, and scripts.
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The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
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During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension...
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Related Experiment Video

Updated: Feb 6, 2026

The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire
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A Guidewire May Save the Day.

Rajat Garg1, Mohammed Barawi2

  • 1Department of Internal Medicine, St. John Hospital and Medical Center, Detroit, MI, USA.

The Korean Journal of Gastroenterology = Taehan Sohwagi Hakhoe Chi
|August 28, 2018
PubMed
Summary
This summary is machine-generated.

Endoscopic gallbladder drainage (EGBD) using the "hot" technique can be complicated by stent migration. Routine guidewire use during EGBD may prevent such adverse events.

Keywords:
CholelithiasisEndoscopyStentUltrasound

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Area of Science:

  • Gastroenterology
  • Interventional Endoscopy

Background:

  • Endoscopic gallbladder drainage (EGBD) is an alternative to percutaneous drainage for acute cholecystitis or biliary obstruction in non-surgical candidates.
  • Current EGBD techniques utilize lumen-apposing metallic stents (LAMS) delivered via an electrocautery-tipped system (the "hot" technique).

Observation:

  • A case of self-expanding metallic stent (SEMS) migration into a LAMS during EGBD using the "hot" technique was observed.
  • This complication highlights a potential risk associated with the current delivery system.

Findings:

  • Stent migration occurred during EGBD with the "hot" technique.
  • The migrated SEMS was found within the deployed LAMS.

Implications:

  • Routine use of a guidewire during EGBD with the "hot" technique is proposed.
  • Implementing a guidewire may enhance procedural safety and prevent stent migration complications.
  • This could improve outcomes for patients undergoing EGBD.